HVAC device and main control device for operating HVAC device

The utility model discloses a personal comfort type variable air volume diffuser with an improved air quality element. Techniques are disclosed relating to improved air quality devices that can provide personalized comfort and improved air quality elements to occupants of a public space. The improved air quality device may include a plurality of individually adjustable directional outlets. The status of these individually adjustable directional exits may be updated to individually satisfy comfort levels of various occupants at different locations within the public space, which may be determined based on from control devices (e.g., thermostats), sensors (e.g., occupancy sensors), etc. The improved air quality device may further include an ultraviolet light device that may reduce pathogens in the public space. The state (e.g., on/off, duration of on/off, location/location, etc.) of the ultraviolet light device may be dependent on the state of the exit. 本申请公开了带有改进的空气质量元件的个人舒适型可变空气量扩散器。公开了与改进的空气质量设备相关的技术，该空气质量设备可